Measurement E151M3128
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0269 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.7866 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | 0.2219 | 0.2883 |
| 0.35 | 270.0 | 0.5037 | 0.2341 |
| 0.35 | 282.0 | 0.035 | 0.2646 |
| 0.45 | 78.0 | 0.351 | 0.226 |
| 0.45 | 90.0 | -0.2186 | 0.264 |
| 0.45 | 126.0 | -0.0195 | 0.2564 |
| 0.45 | 270.0 | 0.1862 | 0.2011 |
| 0.45 | 282.0 | 0.149 | 0.2732 |
| 0.45 | 294.0 | -0.0446 | 0.243 |
| 0.45 | 330.0 | -0.0948 | 0.2756 |
| 0.55 | 126.0 | 0.1512 | 0.2127 |
| 0.55 | 138.0 | -0.0662 | 0.2614 |
| 0.55 | 198.0 | 0.1129 | 0.2716 |
| 0.55 | 210.0 | -0.2372 | 0.2547 |
| 0.55 | 222.0 | 0.2573 | 0.2638 |
| 0.55 | 258.0 | -0.3374 | 0.2269 |
| 0.55 | 270.0 | -0.5236 | 0.2181 |
| 0.55 | 282.0 | 0.3708 | 0.2478 |
| 0.65 | 66.0 | 0.0291 | 0.267 |
| 0.65 | 114.0 | 0.0611 | 0.2755 |
| 0.65 | 126.0 | -0.5129 | 0.2156 |
| 0.65 | 138.0 | 0.386 | 0.1981 |
| 0.65 | 210.0 | 0.056 | 0.2379 |
| 0.65 | 222.0 | -0.5682 | 0.1979 |
| 0.65 | 246.0 | -0.7052 | 0.1784 |
| 0.65 | 282.0 | 0.4112 | 0.208 |
| 0.75 | 66.0 | -0.1429 | 0.2435 |
| 0.75 | 78.0 | -0.0873 | 0.2683 |
| 0.75 | 114.0 | -0.2325 | 0.2568 |
| 0.75 | 126.0 | 0.3857 | 0.261 |
| 0.75 | 198.0 | 0.0791 | 0.2743 |
| 0.75 | 210.0 | -0.0855 | 0.2031 |
| 0.75 | 222.0 | -0.1483 | 0.2044 |
| 0.75 | 234.0 | -0.5894 | 0.2023 |
| 0.75 | 258.0 | -0.036 | 0.2491 |
| 0.75 | 270.0 | -0.3056 | 0.1978 |
| 0.75 | 282.0 | -0.0007 | 0.2073 |
| 0.75 | 294.0 | -0.3173 | 0.2517 |
| 0.85 | 114.0 | -0.1144 | 0.2117 |
| 0.85 | 126.0 | 0.0192 | 0.2182 |
| 0.85 | 138.0 | -0.1413 | 0.2841 |
| 0.85 | 198.0 | -0.0302 | 0.2594 |
| 0.85 | 210.0 | 0.1285 | 0.2351 |
| 0.85 | 222.0 | 0.1397 | 0.2363 |
Experiment comment: